Home / 6,381,013.20-9,571,519.80-1,893,289.20

Finding the Fourth Proportional to 6,381,013.20, 9,571,519.80 and 1,893,289.20

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Solution

The fourth proportional to 6,381,013.20, 9,571,519.80 and 1,893,289.20 is: 2,839,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381,013.20 : 9,571,519.80 = 1,893,289.20 : x
  2. Step 2: Convert to fraction form
    6,381,013.20/9,571,519.80 = 1,893,289.20/x
  3. Step 3: Cross multiply
    6,381,013.20x = 9,571,519.80 × 1,893,289.20
  4. Step 4: Simplify right side
    6,381,013.20x = 18,121,655,064,926.16
  5. Step 5: Solve for x
    x = 18,121,655,064,926.16/6,381,013.20
  6. Step 6: Final answer
    x = 2,839,933.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.